legislation_cosponsors: 97-sconres-90, H000445

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id	bioguide_id	full_name	party	state	sponsorship_date	is_original_cosponsor
97-sconres-90	H000445	Sen. Heflin, Howell [D-AL]	D	AL	1982-05-05	1